Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
Solve it the standard way once — then learn the shortcut.
Q · Heat and ThermodynamicsMedium · 45s
Which statement is true about an adiabatic process?
TopicHeat and Thermodynamics
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Adiabatic: Q = 0. Internal energy changes due to work only.
Final Answer: Option C — No heat is exchanged.